"A charming magical adventure." - Lily LaMotte, author of Measuring UpA mermaid, a firebird, and a witch fight to save the magic of their world before it ceases to exist in this epic conclusion to acclaimed author Vivian Zhou's fantasy duology. Perfect for fans of Tidesong and Wingbearer! Atana may be one step closer to discovering her past, but it didn't come without a cost. Though the mermaid and her companions-Ren, the last known firebird, and Cosmos, a Witch Guard turned friend-narrowly escaped the Witch Queen, their world's magic cycle is broken and the firebirds are to blame.Ren knows she must right her flock's wrongs, and Atana is determined to join her on this quest. But lurking deep below the seas are secrets that could destroy their last chance at restoring the balance of magic-and, if they aren't careful, their friendship.